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--- deb13:raspi [2026/03/02 14:43] – created Bernard Condrau
+++ deb13:raspi [2026/03/02 15:45] (current) – Bernard Condrau
@@ Line 10: / Line 10: @@
 sudo apt upgrade</file>
+===== Install functionality =====
+==== Dynamic DNS ====
+=== Find the external IP address ===
+  curl ifconfig.me: Displays your public IP address directly.
+  curl -s ipinfo.io/IP: Alternative method to show only the IP.
+  dig TXT +short o-o.myaddr.l.google.com @ns1.google.com: Queries Google's DNS server for your IP.
+  wget "https://www.duckdns.org/update?domains={YOUR_SUBDOMAIN}&token={YOUR_TOKEN}&ip="
+  echo "word" > filename.txt
+  #!/bin/bash
+  while read line; do
+    word=( $line )
+    echo $word
+  done < $1
+  if [ $word == "192.168.1.1" ]; then
+    echo "equal"
+  else
+    echo "not equal"
+  fi
+==== Links ====
+  * [[https://pimylifeup.com/raspberry-pi-duck-dns/|How to Set Up Duck DNS on the Raspberry Pi]]

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